2009
DOI: 10.1038/ng.276
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Loss-of-function mutations of an inhibitory upstream ORF in the human hairless transcript cause Marie Unna hereditary hypotrichosis

Abstract: Marie Unna hereditary hypotrichosis (MUHH) is an autosomal dominant form of genetic hair loss. In a large Chinese family carrying MUHH, we identified a pathogenic initiation codon mutation in U2HR, an inhibitory upstream ORF in the 5' UTR of the gene encoding the human hairless homolog (HR). U2HR is predicted to encode a 34-amino acid peptide that is highly conserved among mammals. In 18 more families from different ancestral groups, we identified a range of defects in U2HR, including loss of initiation, delay… Show more

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Cited by 186 publications
(194 citation statements)
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“…Second, a mutation introducing a uORF into CDKN2A causes a familial predisposition to melanoma (4). Third, disruption of uORF presence and coding sequence in gene HR causes Marie Unna hereditary hypotrichosis (5). Additional uORF-altering mutations detected in patients with 11 diseases have been reported in the literature, although they were not followed up experimentally (Table 2).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Second, a mutation introducing a uORF into CDKN2A causes a familial predisposition to melanoma (4). Third, disruption of uORF presence and coding sequence in gene HR causes Marie Unna hereditary hypotrichosis (5). Additional uORF-altering mutations detected in patients with 11 diseases have been reported in the literature, although they were not followed up experimentally (Table 2).…”
Section: Discussionmentioning
confidence: 99%
“…uORFs have been shown to reduce protein levels in Ϸ100 eukaryotic genes [supporting information (SI) Table S1]. Additionally, mutations that introduce or disrupt a uORF have found to cause 3 human diseases (3)(4)(5). In several interesting cases, the uORF-derived protein is functional; however, in most cases, the mere presence of the uORF is sufficient to reduce expression of the downstream ORF (1,2,(6)(7)(8).…”
mentioning
confidence: 99%
“…In humans, approximately half of annotated transcripts contain uORFs, and presence of uORFs is widely polymorphic across individuals (Supplemental Table S5; Calvo et al 2009;Barbosa et al 2013;Waern and Snyder 2013). Disruption of a uORF in the HR gene has been previously shown to lead to Marie Unna hereditary hypotrichosis by modulating the translation of the main ORF, suggesting that human disease can be associated with changes in uORFs (Wen et al 2009). …”
Section: The Role Of Uorfs In Modulating Ribosome Occupancymentioning
confidence: 99%
“…Specifically, we utilized SAMtools mpileup utility in combination with BCFtools (Li et al 2009) Genotype data and processing We included all variant calls provided by both release and pilot data sets without additional score or source filtering. We subsetted all single nucleotide polymorphisms (SNPs) that overlap APPRIS transcripts and retained all phasing information from the VCF files.…”
Section: Ribosome Profiling Sample Identity Verificationmentioning
confidence: 99%
“…In the same vein, upstream open reading frames (uORFs), present in $50% of human genes, often impact upon the expression of the primary ORFs; indeed, both mutations and polymorphisms have been reported within uORFs that can modulate or even abolish the expression of the downstream gene [Calvo et al, 2009;Wen et al, 2009].…”
Section: Mutations Residing Within Proximal Gene Regulatory Regionsmentioning
confidence: 99%